On Monday, September 3, 2018 at 10:31:25 PM UTC-7, Chris_I wrote:
>
> Hi there,
>
> Found a way to solve it, and thought I'd share in case others search on
> this topic.
>
> Replace the str(...) below with str(...).encode(), so that it looks like
> this:
>
> open('test.csv', 'wb').write(str(db(db.student).select()).encode())
>
>
> Regards,
>
> Chris
>
>
Are you using Python3? While web2py itself has been updated to work with
Python3, the examples in the book are still assuming Python2 (2.7 or
later). It's perhaps time to add a warning to that effect in the book.
/dps
>
> On Monday, 3 September 2018 22:53:11 UTC+8, Chris_I wrote:
>>
>> Hello All,
>>
>> Just started learning web2py a few days ago, and am really enjoying it!
>>
>> Working through the chapter on DAL in the Book, I noticed I got an error
>> when doing this:
>>
>> open('test.csv', 'wb').write(str(db(db.student).select()))
>>
>>
>> The message I get is:
>>
>> TypeError: a bytes-like object is required, not 'str'
>>
>>
>> It occurs in:
>>
>>
>> File "mypath/web2py/gluon/packages/dal/pydal/base.py", line 844, in
>> export_to_csv_file
>>
>> ofile.write('TABLE %s\r\n' % table)
>>
>>
>>
>> The select() returns 5 perfectly normal-looking rows.
>>
>>
>> Am I overlooking something obvious?
>>
>>
>> Thanks,
>>
>>
>> Chris
>>
>>
>>
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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